Quantum Ownership & Insider Activity

Quantum (QMCO) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 31.0% of shares outstanding. Institutional investors hold 8.7%. Over the past 90 days, insiders made 1 sale worth $16K.

Shares Outstanding

39.410M

Shares Float

39.287M

Insider Shares Owned

12.217M

Insider % Owned

31.0%

Institutional Shares Held

3.430M

Institutional % Held

8.7%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$16K total

Net Activity

Net Selling

Net Value (90d)

-$16K

Quantum Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 3, 2026	Anthony Craythorne	CHIEF REVENUE OFFICER	SELL	1.478K	$10.73	$16K
Jul 2, 2026	Laura A Nash	CHIEF ACCOUNTING OFFICER	SELL	260.000	$10.51	$3K
Jul 2, 2026	Hugues Meyrath	PRESIDENT & CEO	SELL	6.232K	$10.51	$65K

Date	Member	Party	Chamber	Action	Amount
Dec 23, 2021	Debbie Wasserman Schultz	D	House	Purchase	$1,001 - $15,000
Dec 23, 2021	Debbie Wasserman Schultz	D	House	Purchase	$1,001 - $15,000
Dec 23, 2021	Debbie Wasserman Schultz	D	House	Purchase	$1,001 - $15,000